

![]() |
A concussion results from a significant blow to the head. Symptoms can range from mild to severe. They can include:
|
|
Symptoms of concussion include: headache disorientation as to time, date, or place confusion dizziness vacant stare or confused expression incoherent or incomprehensible speech incoordination or weakness amnesia for the events immediately precedin...
|
|
Symptoms of concussion include: headache disorientation relative to time, date, or place amnesia for the events immediately preceding the blow confusion dizziness vacant stare or confused expression incoherent or incomprehensible speech incoordina...
|
|
Symptoms of concussion include the following: headache disorientation as to time, date, or place confusion dizziness vacant stare or confused expression incoherent or incomprehensible speech lack of coordination or weakness amnesia for the events ...
|
|
Fatigue is a feeling of weariness, tiredness, or lack of energy.
|
|
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
|
|
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
|
|
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
|
|
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
|
|
Fatigue is a feeling of exhaustion or loss of strength. The duration of fatigue for a patient with cancer has been found to last from one to two times the length of time between diagnosis and completion of treatment, so it is common for fatigue to...
|
![]() |
Nausea is the sensation of having an urge to vomit. Vomiting is forcing the contents of the stomach up through the esophagus and out of the mouth.
|
|
Nausea is the sensation of having a queasy stomach or being about to vomit. Vomiting , or emesis, is the expelling of undigested food through the mouth.
|
|
Being tired is the familiar aftermath of physical exertion, prolonged labor or lack of sleep. When does being tired become a symptom of a condition? Fatigue, malaise, lassitude, exhaustion are all subtle variations of the same subjective feelings of not having enough energy to meet the demands of one's life.
|
|
Vomiting is the forceful discharge of stomach contents through the mouth.
|
![]() |
Confusion is the inability to think with your usual speed or clarity, including feeling disoriented and having difficulty paying attention, remembering, and making decisions.
|
|
A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. See also: Generalized tonic clonic seizure; Partial (focal) seizure; Petit mal (absence) seizure; Epilepsy; Fever (...
|
|
A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain. Epilepsy is a condition characterized by recurrent seizu...
|
|
A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain . Epilepsy is a condition characterized by recurrent seiz...
|
|
A temporary series of uncontrollable muscle spasms brought on by unusual electrical activity in the brain. Also known as convulsion, clonic seizure, or tonic-clonic seizure. A seizure is characterized by a sudden episode of un- controllable brain ...
|
![]() |
Tinnitus is the medical term for "hearing" noises in your ears when there is no outside source of the sounds. The noises you hear can be soft or loud. They may sound like ringing, blowing, roaring, buzzing, hissing, humming, whistling, or sizzling...
|
|
Tinnitus is hearing ringing, buzzing, or other sounds without an external cause. Patients may experience tinnitus in one or both ears or in the head.
|
|
Tinnitus is a condition where the patient hears ringing, buzzing, or other sounds without an external cause. Patients may experience tinnitus in one or both ears or in the head.
|
![]() |
Memory loss (amnesia) is unusual forgetfulness.
|
|
Memory loss can be partial or total. Most memory loss occurs as part of the normal aging process. However, memory loss may also occur as a result of severe emotional trauma or due to brain damage following disease or physical trauma. Memory loss c...
|
|
|
Amnesia refers to the loss of memory. Memory loss may result from two-sided (bilateral) damage to parts of Memory loss may result from bilateral damage to the limbic system of the brain responsible for memory storage, processing, and recall. (Illu...
|
|
Unconsciousness is when a person is unable to respond to people and activities. Often, this is called a coma or being in a comatose state. Other changes in awareness can occur without becoming unconscious. Medically, these are called "altered ment...
|
![]() |
Irritability is an excessive response to stimuli.
|
|
Drowsiness refers to feeling abnormally sleepy during the day. People who are drowsy may fall asleep in inappropriate situations or at inappropriate times. See also: Idiopathic hypersomnia
|
|
Hypersomnia refers to a set of related disorders that involve excessive daytime sleepiness.
|
![]() |
A generalized tonic-clonic seizure is a seizure involving the entire body. It is also called a grand mal seizure. Such seizures usually involve muscle rigidity, violent muscle contractions, and loss of consciousness. Generalized tonic-clonic seizu...
|
|
Unsteady gait is a symptom of instability while walking. Problems with walking can be due to disease or injury to the legs, feet, spine, or brain.
|
|
|
Gait and balance problems exist when a disease process, trauma, or aging result in the inability to control one's center of gravity (COG) over the base of support (BOS) in static or dynamic tasks and environments.
|
|
Gait or walking is a coordinated action of the neuromuscular and musculoskeletal systems. The coordination of muscle contraction , joint movement, and sensory perception allows the human body to move in the environment. Individuals with neuromuscu...
|
|
Gait training refers to helping a patient relearn to walk safely and efficiently. Gait training is usually done by rehabilitation specialists who evaluate the abnormalities in the person's gait and employ such treatments as strengthening and balan...
|
|
Problem behavior is often associated with adolescence but may manifest in the very young or in adults. Delinquency, drug use, academic failure, risky sexual behavior, violence, property damage, vandalism and disregard of the rights of others are all problem behaviors.
|
|
Walking abnormalities are unusual and uncontrollable walk patterns, usually caused by diseases or injuries to the legs, feet, brain, spine, or inner ear.
|
![]() |
Anisocoria is unequal pupil size. The pupil is the black part in the center of the eye. It gets larger in dim light and smaller in bright light.
|
![]() |
Depression may be described as feeling sad, blue, unhappy, miserable, or down in the dumps. Most of us feel this way at one time or another for short periods. True clinical depression is a mood disorder in which feelings of sadness, loss, anger, o...
|
|
|
Depression, also known as depressive disorders or unipolar depression, is a mental illness characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable. Disturbance in slee...
|
![]() |
A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are extremely rare. Most people with headaches can feel much better by making lifestyle changes, learning ways to relax, and occasionally by taking medicatio...
|
|
|
A headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom HEADACHE THERAPIES Description Type Acupressure Press pointer fingers beneath cheekbones and parallel to pupils (Stomach 3) for one minute...
|
|
A headache involves pain in the head which can arise from many disorders or may be a disorder in and of itself.
|
|
A headache involves pain in the head that can arise from many disorders or may be a disorder in and of itself.
|
|
|
Headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom of an underlying medical condition or disease. The medical term for headache is cephalalgia. Headaches are one of the most common and univer...
|
![]() |
A bruise is an area of skin discoloration. A bruise occurs when small blood vessels break and leak their contents into the soft tissue beneath the skin.
|
|
Bruises, or ecchymoses, are a discoloration and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the tissues. Pupura refers to bruising as the result of a disease condition. A very small brui...
|
|
|
Bruises, or ecchymoses, are a discoloration and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the tissues. Purpura refers to bruising as the result of a disease condition. A very small bru...
|
|
Bruises, or ecchymoses, are a discoloration and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the tissues. Pupura refers to bruising as the result of a disease condition. A very small brui...
|
![]() |
Hypertension is the term used to describe high blood pressure. Blood pressure readings are measured in millimeters of mercury (mmHg) and usually given as two numbers. For example, 120 over 80 (written as 120/80 mmHg. The top number is your systoli...
|
|
|
Blood pressure is the force with which blood pushes against the artery walls as it travels through the body. Like air in a balloon, blood fills arteries to a certain capacity—and just as too much air pressure can cause damage to a balloon, too muc...
|
|
|
Also known as high blood pressure, a condition in which too much force is exerted by the blood as it travels through the body's arteries. There are two types of hypertension: primary and secondary. Primary, or essential, hypertension is caused by ...
|
|
|
Hypertension is the medical term for high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's ...
|
|
The National High Blood Pressure Education Program (NHBPEP) was established in 1972 by the National Institute of Health to translate research results on the health hazards of high blood pressure into clinical and public health practice. Before 190...
|
|
Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
|
|
|
Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
|
|
|
Hypertension is high blood pressure . Blood pressure is the force of blood pushing against the walls of arteries as it flows through them.
|
|
A black eye is usually the result of trauma to the head or face – particularly the nose, resulting in bleeding beneath the skin which results in discoloration or bruising. Most black eyes are not serious, but sometimes can be an indicator of a medical emergency, such as a skull fracture.
|
|
True muscle weakness means that full effort does not produce a normal muscle contraction or movement. A voluntary muscle contraction is generated when the brain sends a signal through the spinal cord and nerves to a muscle.
|
|
Weakness is a reduction in the strength of one or more muscles.
|
|
Depression is sometimes referred to as the common cold of mental illness. It is a debilitating disease with significant societal costs. It is, however, one of the most clearly defined and treatable of mental illnesses. Technically, the term "depre...
|
|
Everybody feels sad sometimes, but to be clinically depressed is not just a matter of feeling sad. A patient with cancer is diagnosed as having major depression only if certain symptoms, such as loss of pleasure or thoughts of death, are present f...
|
|
|
Depression is the general name for a family of illnesses known as depressive disorders. Depression is an illness that affects not only the mood and thoughts, but also the physical functions of affected individuals. Depressive disorders usually res...
|
|
|
Depression and depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that once were pleasurable. Disturbance in sleep , appetite...
|
|
|
Depression is the general name for a family of illnesses known as depressive disorders. Depression is an illness that affects not only the mood and thoughts, but also the physical functions of affected individuals. Depressive disorders usually res...
|
|
|
Depression or depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that were once pleasurable. Disturbance in sleep, appetite, ...
|
|
|
Depression or depressive disorders (unipolar depression) are mental illnesses characterized by a profound and persistent feeling of sadness or despair and/or a loss of interest in things that were once pleasurable. Disturbance in sleep, appetite, ...
|
|
|
A depressive disorder is defined by the National Institute of Mental Health (NIMH) as an illness that involves the body, mood and thoughts. It encompasses feelings of overwhelming sadness and despair that persist or intensify over time.
|
|
An emotional state or mood characterized by one or more of these symptoms: sad mood, low energy, poor concentration, sleep or appetite changes, feelings of worthlessness or hopelessness, and thoughts of suicide. Until recently, it was thought that...
|
|
The ability to concentrate is a function of mental status and cognition. Impairment of the ability to concentrate can be a problem of neurologic or psychiatric origin or a combination of behavior and mentation.
|
![]() |
Uncoordinated movement is muscle control problem or an inability to finely coordinate movements, which results in a jerky, unsteady, to-and-fro motion of the middle of the body (trunk) and unsteady gait (walking style. The condition is called ataxia.
|
|
Ataxia, a medical term originated from the Greek language meaning "without order," refers to disturbances in the control of body posture, motor coordination, speech control, and eye movements. Several brain areas, including the cerebellum and the ...
|
|
Developmental coordination disorder is diagnosed when children do not develop normal motor coordination (coordination of movements involving the voluntary muscles).
|
|
Lack of coordination in the muscles. Ataxia, an extreme lack of coordination of the muscles, is a symptom of damage to the central nervous system. People with ataxia typically stand with feet planted far apart, and sway while standing, struggling ...
|
![]() |
Nystagmus refers to rapid involuntary movements of the eyes that may be: Side to side (horizontal nystagmus; Up and down (vertical nystagmus; Rotary. Depending on the cause, these movements may be in both eyes or in just one eye. The term "dancing...
|
|
Rhythmic, oscillating motions of the eyes are called nystagmus. The to-and-fro motion is generally involuntary. Vertical nystagmus occurs much less frequently than horizontal nystagmus and is often, but not necessarily, a sign of serious brain dam...
|
|
Nystagmus is a condition in which there is involuntary and rhythmic movement or oscillation of the eye. It is often caused by an underlying ocular or neurological disorder.
|
|
Taste impairment means there is a problem with your sense of taste. Problems range from distorted taste to a complete loss of the sense of taste. However, a complete inability to taste is rare.
|
|
|
Dysgeusia is a disorder of the sense of taste.
|
|
Emotional content floods the brain in response to our experiences, physiological and psychological states. Most of us learn how to prevent emotions from interfering with functioning as we mature.
|


